How to Calculate GST: Adding and Removing GST With Examples
Learn how to add GST to a price, remove GST from a total, and read the CGST, SGST and IGST split, with worked examples and common mistakes.
Finance Guides
Plain-language guides to loans, EMIs, SIPs and interest.
How Much SIP Do You Need to Reach a Goal? The Reverse Calculation
Work backwards from a target amount to the monthly SIP needed, with a ₹25 lakh example at three different assumed returns.
Should You Prepay Your Loan? A Worked Example
See with real numbers how a part-prepayment on a ₹10 lakh loan shortens the tenure and saves interest, and what to check before you prepay.
Compound Interest vs Simple Interest: What’s the Difference?
Learn how simple and compound interest differ, with formulas, a 30 year comparison, the Rule of 72 and common mistakes to avoid.
How a SIP Works: The Maths Behind Monthly Investing
See how the value of a monthly SIP is estimated, with a worked example, a growth chart and the limits of any SIP calculator.
How Your Loan EMI Is Calculated: Formula, Example and Ways to Reduce It
Understand the EMI formula, see a full worked example for a ₹10 lakh loan, and learn what really changes your monthly instalment.